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Date: Wed, 27 May 2026 17:13:00 +0100
From: Jonathan Cameron <jic23@kernel.org>
To: Liviu Stan <liviu.stan@analog.com>
Cc: David Lechner <dlechner@baylibre.com>, Nuno =?UTF-8?B?U8Oh?=
 <nuno.sa@analog.com>, Andy Shevchenko <andy@kernel.org>, Michael Hennerich
 <Michael.Hennerich@analog.com>, Rob Herring <robh@kernel.org>, Krzysztof
 Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Antoniu
 Miclaus <antoniu.miclaus@analog.com>, Francesco Lavra
 <flavra@baylibre.com>, <linux-iio@vger.kernel.org>,
 <linux-kernel@vger.kernel.org>, <linux@analog.com>,
 <devicetree@vger.kernel.org>
Subject: Re: [PATCH v4 2/9] iio: temperature: ltc2983: Fix
 reinit_completion() called after conversion start
Message-ID: <20260527171300.6a344ad3@jic23-huawei>
In-Reply-To: <20260525164013.118614-3-liviu.stan@analog.com>
References: <20260525164013.118614-1-liviu.stan@analog.com>
	<20260525164013.118614-3-liviu.stan@analog.com>
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On Mon, 25 May 2026 19:39:29 +0300
Liviu Stan <liviu.stan@analog.com> wrote:

> reinit_completion() was called after regmap_write() initiated the hardware
> conversion, creating a race window where the interrupt could fire and call
> complete() before reinit_completion() reset the completion.
> 
> Move reinit_completion() before the regmap_write() to close the race.
> ltc2983_eeprom_cmd() already does it in the correct order.
> 
> Fixes: f110f3188e56 ("iio: temperature: Add support for LTC2983")
> Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Applied the slow way (to the testing branch of iio.git) but marked for stable.